CN113175972A - Control system of liquid/material level indicating and warning lamp - Google Patents
Control system of liquid/material level indicating and warning lamp Download PDFInfo
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- CN113175972A CN113175972A CN202110381687.8A CN202110381687A CN113175972A CN 113175972 A CN113175972 A CN 113175972A CN 202110381687 A CN202110381687 A CN 202110381687A CN 113175972 A CN113175972 A CN 113175972A
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- control module
- liquid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
Abstract
A control system of liquid/material level indication and warning light comprises a DC-DC power supply module, wherein the input end of the DC-DC power supply module is connected with a vehicle power supply, the output end of the DC-DC power supply module is connected with an MCU main control module, a CAN bus module, a lamp panel display module, a signal conditioning module, an Ethernet/4G/wifi module, a voice control module, a light intensity detection module and a noise monitoring module, and the MCU main control module is connected with the signal ends of the CAN bus module, the lamp panel display module, the signal conditioning module, the Ethernet/4G/wifi module, the voice control module, the light intensity detection module and the noise monitoring module; the vehicle-mounted controller outside the CAN bus module is connected with the MCU main control module: the lamp panel display module is connected with the MCU main control module. By utilizing the invention, the automatic operation of the liquid/material level indication and the warning lamp can be realized; the brightness of the display light and the sound pressure value of the prompt tone can be automatically adjusted according to the intensity of the ambient light and the intensity of the ambient noise.
Description
Technical Field
The invention relates to the technical field of indication and warning of fire-fighting machinery and environmental sanitation machinery, in particular to a control system of a liquid/material level indication and warning lamp.
Background
In conventional liquid/level indication, a liquid/level meter is usually used or several status indicator lamps are controlled to indicate the high, medium and low status of the liquid/level.
CN210400553U discloses a high-viscosity grease liquid level indicating device, which comprises an oil storage tank, an oil pressing disc and a liquid level display device; an oil storage cavity is formed in the oil storage tank, and the oil pressing disc is arranged in the oil storage cavity in a sliding mode along the vertical direction, so that the oil in the oil storage cavity is compressed; the liquid level display device is arranged on the outer wall of the oil storage tank in a sliding or rolling mode along the vertical direction and can slide along with the oil pressing disc, and therefore the liquid level of grease in the oil storage cavity is displayed on the outer wall of the oil storage tank.
CN210375314U discloses a liquid level indicating and measuring device, which comprises an adapter, a measuring conduit made of a smooth material, and an ultrasonic liquid level meter. The adapter is arranged at the bottom of the side surface of the liquid level device to be detected; the measuring conduit is arranged in parallel to the liquid level device to be measured through the adapter and is higher than the top of the liquid level device to be measured, a pipe body of the part higher than the adapter is provided with a hole, and the ultrasonic liquid level meter is inserted into the top of the measuring conduit.
The common disadvantages are: the visibility of liquid/material state indication is poor, the intelligent and digital performance is low, and when the liquid/material level is displayed in a high, medium and low full state, prompt and warning information which is timely and visual cannot be provided, so that the purpose of effectively indicating the liquid/material level state cannot be achieved.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provide a control system of liquid/material level indication and warning lights, which is intelligent, wide in application range and remarkable in effect.
The technical scheme adopted for solving the technical problems is that the control system for the liquid/material level indication and the warning lamp comprises: the system comprises a DC-DC power supply module, an MCU master control module, a CAN bus module, a lamp panel display module, a signal conditioning module, a light intensity detection module, an Ethernet/4G/wifi module and a voice control and noise detection module;
the input end of the DC-DC power supply module is connected with a vehicle power supply, and the output end of the DC-DC power supply module is connected with an MCU main control module, a CAN bus module, a lamp panel display module, a signal conditioning module, an Ethernet/4G/wifi module, a voice control module, a light intensity detection module and a noise monitoring module of the system and supplies power to each connected module;
the MCU main control module is connected with signal ends of the CAN bus module, the lamp panel display module, the signal conditioning module, the Ethernet/4G/wifi module, the voice control module, the light intensity detection module and the noise monitoring module, receives and analyzes signals from the CAN bus module, the signal conditioning module, the Ethernet/4G/wifi module, the light intensity detection module and the noise monitoring module, and controls the display of the lamp panel display module and the output of the voice control module according to signal contents;
the vehicle-mounted controller outside the CAN bus module is connected with the MCU main control module: when the MCU master control module acquires liquid/material level information transmitted by an external vehicle-mounted controller through the CAN bus module, the MCU master control module drives the lamp panel display module to display corresponding information by reading and analyzing the content of the liquid/material level information; when the MCU master control module directly reads and analyzes liquid/material level information from an external liquid/material level sensor through the liquid/material level signal conditioning module, the CAN bus module transmits a liquid/material level signal received from the MCU master control module to an external vehicle-mounted controller;
the lamp panel display module is connected with the MCU main control module and used for receiving signals of the MCU main control module, and lightening a specified number of lamp beads and displaying a specified color or effect according to the content of the signals;
the signal conditioning module is connected with an external liquid/material level sensor and an MCU (microprogrammed control unit) main control module, a noise detection module and a light intensity detection module of the system, the liquid/material level signal conditioning module conditions signals from the liquid/material level sensor, the noise detection module and the light intensity detection module and transmits the conditioned signals to the main control module, and the signal conditioning module is used for controlling the lamp panel display module to adjust display brightness and display corresponding colors and effects and controlling the voice control module to output corresponding control signals to drive an external Arabic or a buzzer to send corresponding prompt or warning information;
the light intensity detection module is used for detecting the light intensity of the environment, is connected with the signal conditioning module and is used for transmitting a detected light intensity signal to the signal conditioning module for conditioning so as to obtain information which can be processed by the MCU main control module;
the Ethernet/4G/wifi module is connected with an external mobile terminal and the MCU main control module so as to realize information interaction between the mobile terminal and the MCU main control module;
the voice control module is connected with an external loudspeaker or buzzer and the MCU master control module, receives a signal from the MCU master control module, and drives the external loudspeaker or buzzer to send out prompt information of different voice contents or frequencies according to the signal content;
the noise detection module acquires an external environment noise value, is connected with the MCU master control module and transmits a detected sound pressure signal of the external environment to the MCU master control module.
Further, the voltage input range of the DC-DC power supply module is 4.5V-40V DC, the power supply efficiency is more than 93%, and the DC-DC power supply module is compatible with a vehicle with 12V DC or 24V DC power supply voltage of an electric system.
Furthermore, the supply voltage of the lamp panel display module is 5V DC, and the lamp panel display module is provided with a plurality of full-color RGB LED lamp beads, all the lamp beads are serially cascaded, 256-level brightness display can be realized by the three primary colors of a single lamp bead, and the full-true color display of various colors can be completed.
Compared with the existing liquid/material level indicating and warning lamp, the invention has the following beneficial effects:
(1) after the system is installed and powered on, the system can run completely and automatically without human intervention;
(2) the system can send out prompt and warning information with different sound and light contents and frequencies according to the high and low states of the liquid/material level, so that the display and warning effects are more visual and effective;
(3) this system can show the luminance of light and the sound pressure value of prompt tone according to ambient light intensity and ambient noise intensity automatic adjustment to reach better suggestion effect: A) when the ambient light is dark, the system can automatically weaken the display brightness, and the design can ensure that under the condition of weak light, the system can provide proper liquid/material level indication and reduce the light pollution to the external environment and the damage to personnel; when the ambient light is strong, the system can automatically enhance the display brightness, and the design can ensure that the liquid/material level indicating effect can be met under the condition of strong light; B) when the noise of the external environment (such as at night and in a community) is small, the system can properly reduce the sound pressure value of the prompt sound, and by the design, the environment can not be polluted by excessive noise while effective reminding is ensured; when outside ambient noise is great, this system can suitably improve the sound pressure value of warning sound, and design like this can guarantee under stronger noise environment, and can both carry out effectual warning to personnel when liquid/material level is on the low side.
Drawings
FIG. 1 is a wire frame diagram of an embodiment of the present invention.
In the figure: the system comprises a 1-DC-DC power supply module, a 2-voice control module, a 3-Ethernet/4G/wifi module, a 4-liquid/material level signal conditioning module, a 5-MCU main control module, a 6-lamp panel display module, a 7-light intensity detection module, an 8-noise detection module and a 9-CAN bus module.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to the attached drawing 1, the present embodiment includes a DC-DC power module 1, a voice control module 2, an ethernet/4G/wifi module 3, a signal conditioning module 4, an MCU main control module 5, a lamp panel display module 6, a light intensity detection module 7, a noise detection module 8, and a CAN bus module 9.
The input end of the DC-DC power supply module 1 is connected with a vehicle power supply, and the output end of the DC-DC power supply module is connected with an MCU main control module 5, a CAN bus module 9, a lamp panel display module 6, a signal conditioning module 4, an Ethernet/4G/wifi module 3, a voice control module 2, a light intensity detection module 7 and a noise monitoring module 8 of the system and supplies power for each connected module.
The MCU main control module 5 is connected with signal ends of the CAN bus module 9, the lamp panel display module 6, the signal conditioning module 4, the Ethernet/4G/wifi module 3, the voice control module 2 and other modules, receives and analyzes information from the CAN bus module 9, the signal conditioning module 4 and the Ethernet/4G/wifi module 3, and controls the display of the lamp panel display module 6 and the output of the voice control module according to signal contents;
the CAN bus module 9 is connected with an external vehicle-mounted controller and the MCU main control module 5: when the MCU main control module 5 acquires the liquid/material level information transmitted from the external vehicle-mounted controller through the CAN bus module 9, the MCU main control module 5 reads and analyzes the content of the liquid/material level information to drive the lamp panel display module 6 to display corresponding information; when the MCU master control module 5 directly reads and analyzes liquid/material level information from an external liquid/material level sensor through the signal conditioning module 4, the CAN bus 9 module transmits the received liquid/material level signal from the MCU master control module 5 to an external vehicle-mounted controller.
The signal input end of the lamp panel display module 6 is connected with the MCU main control module 5 and used for receiving the data of the MCU main control module 5 and lightening a specified number of lamp beads, displaying a specified color or effect (displaying a special symbol or flashing according to a specified color and frequency) according to the data content. The lamp panel display module 6 supplies power for 5V DC, is provided with a plurality of full-color RGB LED lamp beads, all the lamp beads are serially cascaded, the three primary colors of a single lamp bead can realize 256-level brightness display, and can complete full true color display of a plurality of colors;
the signal conditioning module 4 is connected with an external liquid/material level sensor and an MCU main control module 5, a noise detection module 8 and a light intensity detection module 7 of the system, is used for conditioning signals from the liquid/material level sensor, the noise detection module 8 and the light intensity detection module 7, transmitting the conditioned signals to the MCU main control module 5, and is used for controlling the display color and effect of the lamp panel display module 6 and driving the voice control module 2 to control an external honey device or a loudspeaker to send out corresponding voice or warning information;
the signal output end of the light intensity detection module 7 is connected with the signal conditioning module 4 and is used for detecting the light intensity of the environment and transmitting the detected light intensity signal to the signal conditioning module 4;
the Ethernet/4G/wifi module 3 is connected with the mobile terminal and the MCU main control module 5, so that the mobile terminal can check the liquid/material level state of the equipment and the voltage and temperature information of the working system;
the audio input end of the voice control module 2 is connected with the MCU main control module 5, receives the signal of the MCU main control module 5, and drives an external loudspeaker or a buzzer to send out prompt information of different voice contents or frequencies according to the signal contents;
the signal output end of the noise detection module 8 is connected with the signal conditioning module 4 and is used for detecting the noise value of the external environment and transmitting the detected sound pressure signal to the signal conditioning module 4;
the specific working process of this embodiment is as follows:
after the vehicle is started, the DC-DC power module 1 starts to work and supplies power to the voice control module 2, the Ethernet/4G/wifi module 3, the signal conditioning module 4, the MCU main control module 5, the lamp panel display module 6, the light intensity detection module 7, the noise detection module 8 and the CAN bus module 9.
The MCU main control module 5 enters an initialization program and drives the lamp panel display module 6 to be lightened for 0.5s and then extinguished so as to assist in completing the power-on detection of the lamp panel display module 6. Then, the MCU main control module 5 receives the liquid/material signal transmitted from the external vehicle-mounted controller through the CAN bus module 9 or directly obtains the liquid/material signal from the liquid level sensor conditioned by the signal conditioning module 4.
The MCU main control module 5, after completing the single chip program processing according to the content of the liquid/material signal, drives the lamp panel display module 6 to light a certain number of lamp beads, display the appointed color or effect (display special symbols or flash according to the appointed color and frequency): when the liquid/material level signal is judged to be high, the lamp panel displays green according to the bead numbers of the liquid/material level state in equal proportion; when the liquid/material level signal is judged to be the middle position, the lamp panel displays yellow according to the lamp bead numbers of the liquid/material level state in equal proportion; when the liquid/material level signal is at a low level, if the liquid/material level signal is higher than the warning line, the lamp panel displays red according to the bead number in equal proportion of the liquid/material level state, and when the liquid/material level signal is lower than the set warning line, the lamp panel can display red on the whole panel and twinkle according to the appointed frequency. Meanwhile, according to the high and low states of the liquid/material level, the MCU main control module 5 drives the voice control module 3 to control an external loudspeaker or a buzzer to automatically send out prompt messages with different voice contents or frequencies, so that a more visual and effective prompt and warning effect is achieved.
The light intensity detection module 7 detects an external light intensity signal, sends the light intensity signal to the signal conditioning module 4 for processing, and sends the conditioned light intensity signal to the MCU main control module 5. When the light intensity exceeds a certain intensity value, the MCU main control module 5 outputs a control signal to adjust the display brightness of the lamp panel display module 6.
The noise detection module 8 detects external noise, sends the detected noise sound pressure signal to the signal conditioning module 4 for processing, and sends the processed signal to the MCU main control module 5. When the noise sound pressure exceeds a certain value, the MCU main control module 5 outputs a control signal to control the voice control module 2 to enhance the volume of the loudspeaker or the buzzer for sending voice prompt information.
In addition, the MCU main control module 5 sends a feedback signal to an external vehicle-mounted controller through the CAN bus module 9, and sends information such as the working state of the system and the like to the outside through the Ethernet/4G/wifi module 3, and a user CAN check the working state of the system through the mobile terminal.
The invention can be used in sanitation machinery and fire-fighting machinery, and can also be used in other places requiring liquid/material level indication and warning, and can improve the intelligent and digital performance of liquid/material level indication and warning while greatly improving the intuitiveness and effectiveness of liquid/material level indication and warning.
Various modifications and variations of the present invention may be made by those skilled in the art, and they are still within the scope of the present patent invention provided they are within the scope of the claims and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (3)
1. The utility model provides a control system of liquid/material level instruction, warning light which characterized in that: the control system includes: the system comprises a DC-DC power supply module, an MCU master control module, a CAN bus module, a lamp panel display module, a signal conditioning module, a light intensity detection module, an Ethernet/4G/wifi module and a voice control and noise detection module;
the input end of the DC-DC power supply module is connected with a vehicle power supply, and the output end of the DC-DC power supply module is connected with an MCU main control module, a CAN bus module, a lamp panel display module, a signal conditioning module, an Ethernet/4G/wifi module, a voice control module, a light intensity detection module and a noise monitoring module of the system and supplies power to each connected module;
the MCU main control module is connected with signal ends of the CAN bus module, the lamp panel display module, the signal conditioning module, the Ethernet/4G/wifi module, the voice control module, the light intensity detection module and the noise monitoring module, receives and analyzes signals from the CAN bus module, the signal conditioning module, the Ethernet/4G/wifi module, the light intensity detection module and the noise monitoring module, and controls the display of the lamp panel display module and the output of the voice control module according to signal contents;
the vehicle-mounted controller outside the CAN bus module is connected with the MCU main control module: when the MCU master control module acquires liquid/material level information transmitted by an external vehicle-mounted controller through the CAN bus module, the MCU master control module drives the lamp panel display module to display corresponding information by reading and analyzing the content of the liquid/material level information; when the MCU master control module directly reads and analyzes liquid/material level information from an external liquid/material level sensor through the liquid/material level signal conditioning module, the CAN bus module transmits a liquid/material level signal received from the MCU master control module to an external vehicle-mounted controller;
the lamp panel display module is connected with the MCU main control module and used for receiving signals of the MCU main control module, and lightening a specified number of lamp beads and displaying a specified color or effect according to the content of the signals;
the signal conditioning module is connected with an external liquid/material level sensor and an MCU (microprogrammed control unit) main control module, a noise detection module and a light intensity detection module of the system, the liquid/material level signal conditioning module conditions signals from the liquid/material level sensor, the noise detection module and the light intensity detection module and transmits the conditioned signals to the main control module, and the signal conditioning module is used for controlling the lamp panel display module to adjust display brightness and display corresponding colors and effects and controlling the voice control module to output corresponding control signals to drive an external Arabic or a buzzer to send corresponding prompt or warning information;
the light intensity detection module is connected with the signal conditioning module and used for detecting the light intensity of the environment and transmitting the detected light intensity signal to the signal conditioning module for conditioning so as to obtain information which can be processed by the MCU main control module;
the Ethernet/4G/wifi module is connected with an external mobile terminal and the MCU main control module so as to realize information interaction between the mobile terminal and the MCU main control module;
the voice control module is connected with an external loudspeaker or buzzer and the MCU master control module, receives a signal from the MCU master control module, and drives the external loudspeaker or buzzer to send out prompt information of different voice contents or frequencies according to the signal content;
the noise detection module is connected with the MCU main control module and used for acquiring an external environment noise value and transmitting a detected sound pressure signal of the external environment to the MCU main control module.
2. The control system of liquid/level indicating, warning light of claim 1, wherein: the voltage input range of the DC-DC power supply module is 4.5V-40V DC, the power supply efficiency is more than 93%, and the DC-DC power supply module is compatible with a vehicle with 12V DC or 24V DC power supply voltage of an electrical system.
3. The control system of liquid/level indicating, warning lights of claim 1 or 2, wherein: the supply voltage of the lamp panel display module is 5V DC, and the lamp panel display module is provided with a plurality of full-color RGB LED lamp beads, all the lamp beads are serially cascaded, 256-level brightness display can be realized by the three primary colors of a single lamp bead, and the full-true color display of various colors can be completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110381687.8A CN113175972A (en) | 2021-04-09 | 2021-04-09 | Control system of liquid/material level indicating and warning lamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110381687.8A CN113175972A (en) | 2021-04-09 | 2021-04-09 | Control system of liquid/material level indicating and warning lamp |
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| CN113175972A true CN113175972A (en) | 2021-07-27 |
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| CN202110381687.8A Pending CN113175972A (en) | 2021-04-09 | 2021-04-09 | Control system of liquid/material level indicating and warning lamp |
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| GB460762A (en) * | 1936-10-20 | 1937-02-03 | John Inshaw Rodway | Improvements in and relating to petrol gauges or liquid level indicators for use on motor road vehicles |
| US4365165A (en) * | 1978-12-20 | 1982-12-21 | Ceda S.P.A. | Level measurement device |
| JPH03280197A (en) * | 1990-03-29 | 1991-12-11 | Suzuki Motor Corp | Luminance adjusting circuit for alarm lamp |
| JPH04136999A (en) * | 1990-09-28 | 1992-05-11 | Nec Corp | Buzzer sound generating system |
| CN203132646U (en) * | 2013-02-26 | 2013-08-14 | 深圳市赛格导航科技股份有限公司 | Automobile oil volume displaying device |
| CN206399506U (en) * | 2016-12-23 | 2017-08-11 | 重庆电子工程职业学院 | A kind of SCM Based liquid level detection circuit |
| CN207036213U (en) * | 2017-08-08 | 2018-02-23 | 苏楠楠 | A kind of automobile oil mass monitoring alarm |
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2021
- 2021-04-09 CN CN202110381687.8A patent/CN113175972A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB460762A (en) * | 1936-10-20 | 1937-02-03 | John Inshaw Rodway | Improvements in and relating to petrol gauges or liquid level indicators for use on motor road vehicles |
| US4365165A (en) * | 1978-12-20 | 1982-12-21 | Ceda S.P.A. | Level measurement device |
| JPH03280197A (en) * | 1990-03-29 | 1991-12-11 | Suzuki Motor Corp | Luminance adjusting circuit for alarm lamp |
| JPH04136999A (en) * | 1990-09-28 | 1992-05-11 | Nec Corp | Buzzer sound generating system |
| CN203132646U (en) * | 2013-02-26 | 2013-08-14 | 深圳市赛格导航科技股份有限公司 | Automobile oil volume displaying device |
| CN206399506U (en) * | 2016-12-23 | 2017-08-11 | 重庆电子工程职业学院 | A kind of SCM Based liquid level detection circuit |
| CN207036213U (en) * | 2017-08-08 | 2018-02-23 | 苏楠楠 | A kind of automobile oil mass monitoring alarm |
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Application publication date: 20210727 |
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